Question

an element burn in air to form an oxide the aqueous solution of the oxide turn blue Litmus Paper red state whether the element is a metal or nonmetal name one such element

Answer 1

Explanation:

An element burn in air to form an oxide the aqueous solution of the oxide turn blue Litmus paper red it means that the element is metal because metal when react with oxygen forms metallic oxide which is basic is nature. Hence the element asked in the question is a metal.

For example:- if calcium burns in oxygen it forms calcium oxide which is basic in nature.